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poizon [28]
2 years ago
14

3. Find the length of time in years, given the principal of $4,800; interest rate

Mathematics
1 answer:
allsm [11]2 years ago
4 0

Answer:

2.5 years

Step-by-step explanation:

Formula for simple interest:

t = I / Pr

t = length of time

I = simple interest

P = initial amount

r = interest rate

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PLEASE HELP ASAP GIVING BRAINLIEST
Lady_Fox [76]

Answer:

Part 1) y=32.5x+11.95

Par 2) see the explanation

Part 3) \$401.95

Step-by-step explanation:

Part 1) Write an equation in slope intercept form to represent this problem

Let

x ----> the number of tickets

y ---> the total cost

The linear equation in slope intercept form is equal to

y=mx+b    

where

m is the slope or unit rate

b is the y-intercept (one-time  processing fee)

In this problem we have

b=\$11.95

ordered pairs (4,141.95) and (7,239.45)

Find the slope

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

substitute the values in the formula

m=\frac{239.45-141.95}{7-4}

m=\frac{97.5}{3}

m=32.5

substitute the values in the linear equation

y=32.5x+11.95

Part 2) What does your slope represent in this problem? What does your y-intercept represent in this problem?

a) The slope of the linear equation represent the unit rate, so the slope represents the cost of one ticket

m=\$32.5\ per\ ticket

b) The y-intercept is the value of y when the value of x is equal to zero

In this context, the y-intercept represent the one-time  processing fee

b=\$11.95

Part 3) Use the equation to find how much Alan would have to pay for 12 tickets

For x=12 tickets

substitute in the linear equation

y=32.5(12)+11.95

y=\$401.95

3 0
3 years ago
How many sides can two congruent angles share
rjkz [21]
8 i think the answer
5 0
2 years ago
Consider the graph of f(x) below. The graph contains the points (0, 1) and (5, 4).
Bezzdna [24]

Answer:

f(x)=x+3

Step-by-step explanation:

hope this helps

5 0
3 years ago
Solving fp<br> Algebra 2<br> I do not understand how to solve this, could someone please explain?
Olenka [21]

f(x) =  \sqrt{x + 2}
What's The Fixed Point? Well, Let's Assume X=0, this is our point.

f(0) =  \sqrt{0 + 2}  \\ f(0) =  \sqrt{2}  \\ this \: is \: our \: fixed \: point \:  \\ (0, \sqrt{2} )
OR

f(p) =  \sqrt{p + 2}  \\  \\  or \:  \sqrt{x + 2}  = 0 \\ ( \sqrt{x + 2} ) ^{2}  =  {0}^{2}  \\ x + 2 = 0 \\ x  =  - 2
I'm unaware of the nature of the question, so here are some different ways a fixed point is found based on the merits of the question.
4 0
3 years ago
What is the value represented by the letter A on the box plot of the data?
Aloiza [94]
It would be b because if you take 10 and shusbejsjdhebe
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2 years ago
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